| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| REED JOANN A | Former Director | 116 HUNTINGTON AVENUE, BOSTON | /s/ Marina A. Breed, as attorney-in-fact | 2025-05-16 | 0001252013 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | AMT | Common Stock | 62.9K | May 14, 2025 | Direct |
Joann A. Reed is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.
JoAnn A. Reed did not stand for re-election at the issuer's 2025 Annual Meeting of Stockholders. Accordingly, effective May 14, 2025, Ms. Reed is no longer a director of the issuer.